package com.zpark.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * @author xiaoyu
 * @version 1.0 2022/10/8
 */
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession();

        if(session.getAttribute("user") == null) {
            response.sendRedirect("http://localhost:8080/login.html");
            return false;
        }

        return true;
    }
}
